<template>
  <a-layout>
    <a-layout-sider width="200" style="background: #fff">
      <a-menu
          mode="inline"
          :style="{ height: '100%', borderRight: 0 }"
          @click="handleClickMenu"
      >
        <a-menu-item key="welcome">
          <MailOutlined/>
          欢迎
        </a-menu-item>
        <a-sub-menu v-for="item in categoryTree"
                    :key="item.id">
          <template #title>
            <UnorderedListOutlined/>
            <span>
                {{ item.name }}
              </span>
          </template>
          <a-menu-item v-for="tree in item.children" :key="tree.id">
            <OrderedListOutlined/>
            <span>
              {{ tree.name }}
            </span>
          </a-menu-item>
        </a-sub-menu>
      </a-menu>
    </a-layout-sider>
    <a-layout-content
        :style="{ background: '#fff', padding: '24px', margin: 0, minHeight: '280px' }"
    >
      <div class="welcome" v-show="isShowWelcome">
        <TheWelcome/>
      </div>
      <a-list v-show="!isShowWelcome" item-layout="vertical" size="large"
              :grid="{ gutter: 20, column: 3 }" :data-source="ebooks">
        <template #renderItem="{ item }">
          <a-list-item key="item.name">
            <template #actions>
                <span>
                <component v-bind:is="'FileOutlined'" style="margin-right: 8px" />
                {{ item.docCount }}
              </span>
              <span>
                <component v-bind:is="'UserOutlined'" style="margin-right: 8px" />
                {{ item.viewCount }}
              </span>
              <span>
                <component v-bind:is="'LikeOutlined'" style="margin-right: 8px" />
                {{ item.voteCount }}
              </span>
            </template>
            <a-list-item-meta :description="item.description">
              <template #title>
                <router-link :to="'/doc?ebookId=' + item.id">
                  {{ item.name }}
                </router-link>
              </template>
              <template #avatar>
                <a-avatar :src="item.cover"/>
              </template>
            </a-list-item-meta>
          </a-list-item>
        </template>
      </a-list>
    </a-layout-content>
  </a-layout>
</template>

<script lang="ts">
import {defineComponent, onMounted, ref} from 'vue';
import axios from 'axios';
import {Tool} from "@/utils/tool";
import TheWelcome from '@/components/the-welcome.vue';

export default defineComponent({
  name: 'HomeView',
  components: {
    TheWelcome,
  },
  setup() {
    // 是否显示欢迎
    const isShowWelcome = ref(true);

    const ebooks = ref();

    // 分类
    const categoryTree = ref();
    let categorys: any;

    /**
     * 分类数据查询
     **/
    const handleCategoryQuery = (params: any) => {

      axios.get("/category/all", {
        params: params
      }).then((response) => {
        const data = response.data;
        if (data.success) {
          categorys = data.content;
          categoryTree.value = [];
          categoryTree.value = Tool.array2Tree(categorys, 0);
        }
      });
    };

    // 首页电子书展示
    const handleEbookQuery = (params: any) => {
      axios.get('/ebook/list', {
        params: params,
      }).then((res) => {
        ebooks.value = res.data.content.list;
      });
    };

    // 点击菜单
    const handleClickMenu = (obj: any) => {
      if (obj.key == 'welcome') {
        isShowWelcome.value = true;
      } else {
        handleEbookQuery({
          page: 1,
          size: 1000,
          categoryId2: obj.key,
        });
        isShowWelcome.value = false;
      }
    };

    onMounted(() => {
      handleCategoryQuery({});
      // handleEbookQuery({
      //   page: 1,
      //   size: 1000,
      // });
    });
    const actions: Record<string, string>[] = [
      {type: 'StarOutlined', text: '156'},
      {type: 'LikeOutlined', text: '156'},
      {type: 'MessageOutlined', text: '2'},
    ];
    return {
      ebooks,
      actions,
      categoryTree,
      isShowWelcome,
      handleClickMenu,
    };
  },
});
</script>

<style scoped>
.ant-avatar {
  width: 50px;
  height: 50px;
  line-height: 50px;
  border-radius: 8%;
  margin: 5px 0;
}
</style>
